3 years ago

Write in slope-intercept form an equation of the line that passes through the points (−5,−3) and (3,−11)

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

3 0

Slope intercept form is y=-x-8.

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Is (0, 0) a solution to the equation y = 9x?

Levart [38]

Answer:

Yes

Step-by-step explanation:

The equation y = 9x does intersect at the point (0,0) so therefore it is a solution.

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3 years ago

3. Max is selling his honey dippers after school to benefit the weightlifting team. He charges $3.00 for each

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Answer: what do they want to know??

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3 years ago

26/7 simplified into a fraction

sp2606 [1]

Answer:

Therefore, this equation is true:

26/7 = 26/7

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3 years ago

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How much will you save if you buy an item listed at 75.50 at a 25% discount

Black_prince [1.1K]

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4 years ago

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A pollster wishes to estimate the proportion of United States voters who favor capital punishment. How large a sample is needed

Ede4ka [16]

Answer:

Sample size, n = 543

Step-by-step explanation:

We are given the following in the question:

Margin of error = 5%

Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

Margin of error =

$z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

Since no particular proportion is given, we take

$\hat{p} = 0.5$

$z_{critical}\text{ at}~\alpha_{0.02} =\pm 2.33$

Putting values, we get,

$2.33 \times \sqrt{\dfrac{0.5(1-0.5)}{n}} = 0.05\\\\\sqrt{n} = \dfrac{2.33\times 0.5}{0.05}\\\\\sqrt{n} = 23.3\\\Rightarrow n = 542.89\approx 543$

Thus, the sample size must be 543 so the sample proportion is will not differ by 5%

7 0

4 years ago